from numpy import *

# a = arange(15).reshape((3,5))
#
# print(a.reshape((-1,5)))
#
# b = array([1,2,3])
#
# print(b)

c = array([
    [
        [1,2,3],
        [2,3,4]
    ],
    [
        [1,2,3],
        [4,5,6]
    ]
])

print(c.shape)